Maxtor 320GB 7200rpm Serial ATA-II-300 HDD w. 8MB Cache (STM3320820AS) DiamondMax 21

Specifications	320GB
Model Number	STM3320820AS
Interface	SATA 3.0Gb/s
Cache	8 MBytes
Capacity	320GB
Guaranteed Sectors	625,142,448
Number of pins on the I/O connector	7
PHYSICAL
Height (max)	26.1 mm (1.028 inches)
Width (max)	101.6 mm (4.000 inches)
Length (max)	146.99 mm (5.787 inches)
Weight (typical)	STM3320820AS grams (1.32 pounds)
PERFORMANCE
Spindle Speed	7,200 rpm
Average latency	4.16 msec
Random read seek time	8.5 msec
Random write seek time	10.0 msec
RELIABILITY
Annual Failure Rate	0.34%
Unrecoverable read errors	1 in 10^14
POWER
12V start max current	2.8 amps
Average idle current	0.520 watts
Average idle power (temp)	14 watts
Standby power	0.80 watts
Sleep power	0.807 watts
Maximum operating current, DC	0.762 amps
ENVIRONMENT
Ambient Temperature
Operating	0 to 60 degrees C
Nonoperating	-40 to 70 degrees C
Maximum operating temperature change	20 degrees C per hour
Maximum nonoperating temperature change	30 degrees C per hour
Maximum operating case temperature	69 degrees C
Relative Humidity
Operating	5 to 90 %
Nonoperating	5 to 95 %
Maximum allowable humidity change	30 % per hour
Altitude
Operating altitude (min)	-60.96 meters (-200 feet)
Operating altitude (max)	null meters (10,000 feet)
Nonoperating altitude (min)	-60.96 meters (-200 feet)
Nonoperating altitude (max)	12,192 meters (40,000 feet)
Shock
Operating Shock (max)	68 Gs at 2 msec
Nonoperating Shock (max)	350 Gs at 2 msec
Vibration
Operating vibration	0.25 Gs at 5 to 22 Hz
Operating vibration	0.50 Gs at 22 to 350 Hz
Operating vibration	0.25 Gs at 350 to 500 Hz
Nonoperating vibration	0.25 Gs at 5 to 22 Hz
Nonoperating vibration	5.0 Gs at 22 to 350 Hz
Nonoperating vibration	1.0 Gs at 350 to 500 Hz